package gencode.common.util;

public class CharUpperLowerUtil {
	
	
	public static String toLowerCaseFirstOne(String s){
		if (Character.isLowerCase(s.charAt(0)))
			return s;
		else
			return (new StringBuilder())
					.append(Character.toLowerCase(s.charAt(0)))
					.append(s.substring(1)).toString();
	}
	// 首字母转大写

	public static String toUpperCaseFirstOne(String s){
		if (Character.isUpperCase(s.charAt(0)))
			return s;
		else
			return (new StringBuilder())
					.append(Character.toUpperCase(s.charAt(0)))
					.append(s.substring(1)).toString();
	}
}
